patch for F746 demo
Fork of BSP_DISCO_F746NG by
Diff: Components/wm8994/wm8994.h
- Revision:
- 1:e8fac4061a5b
diff -r c9112f0c67e3 -r e8fac4061a5b Components/wm8994/wm8994.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Components/wm8994/wm8994.h Mon Nov 02 23:35:17 2015 +0000 @@ -0,0 +1,187 @@ +/** + ****************************************************************************** + * @file wm8994.h + * @author MCD Application Team + * @version V2.0.0 + * @date 24-June-2015 + * @brief This file contains all the functions prototypes for the + * wm8994.c driver. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __WM8994_H +#define __WM8994_H + +/* Includes ------------------------------------------------------------------*/ +#include "../Common/audio.h" + +/** @addtogroup BSP + * @{ + */ + +/** @addtogroup Component + * @{ + */ + +/** @addtogroup WM8994 + * @{ + */ + +/** @defgroup WM8994_Exported_Types + * @{ + */ + +/** + * @} + */ + +/** @defgroup WM8994_Exported_Constants + * @{ + */ + +/******************************************************************************/ +/*************************** Codec User defines ******************************/ +/******************************************************************************/ +/* Codec output DEVICE */ +#define OUTPUT_DEVICE_SPEAKER ((uint16_t)0x0001) +#define OUTPUT_DEVICE_HEADPHONE ((uint16_t)0x0002) +#define OUTPUT_DEVICE_BOTH ((uint16_t)0x0003) +#define OUTPUT_DEVICE_AUTO ((uint16_t)0x0004) +#define INPUT_DEVICE_DIGITAL_MICROPHONE_1 ((uint16_t)0x0100) +#define INPUT_DEVICE_DIGITAL_MICROPHONE_2 ((uint16_t)0x0200) +#define INPUT_DEVICE_INPUT_LINE_1 ((uint16_t)0x0300) +#define INPUT_DEVICE_INPUT_LINE_2 ((uint16_t)0x0400) + +/* Volume Levels values */ +#define DEFAULT_VOLMIN 0x00 +#define DEFAULT_VOLMAX 0xFF +#define DEFAULT_VOLSTEP 0x04 + +#define AUDIO_PAUSE 0 +#define AUDIO_RESUME 1 + +/* Codec POWER DOWN modes */ +#define CODEC_PDWN_HW 1 +#define CODEC_PDWN_SW 2 + +/* MUTE commands */ +#define AUDIO_MUTE_ON 1 +#define AUDIO_MUTE_OFF 0 + +/* AUDIO FREQUENCY */ +#define AUDIO_FREQUENCY_192K ((uint32_t)192000) +#define AUDIO_FREQUENCY_96K ((uint32_t)96000) +#define AUDIO_FREQUENCY_48K ((uint32_t)48000) +#define AUDIO_FREQUENCY_44K ((uint32_t)44100) +#define AUDIO_FREQUENCY_32K ((uint32_t)32000) +#define AUDIO_FREQUENCY_22K ((uint32_t)22050) +#define AUDIO_FREQUENCY_16K ((uint32_t)16000) +#define AUDIO_FREQUENCY_11K ((uint32_t)11025) +#define AUDIO_FREQUENCY_8K ((uint32_t)8000) + +#define VOLUME_CONVERT(Volume) (((Volume) > 100)? 100:((uint8_t)(((Volume) * 63) / 100))) +#define VOLUME_IN_CONVERT(Volume) (((Volume) >= 100)? 239:((uint8_t)(((Volume) * 240) / 100))) + +/******************************************************************************/ +/****************************** REGISTER MAPPING ******************************/ +/******************************************************************************/ +/** + * @brief WM8994 ID + */ +#define WM8994_ID 0x8994 + +/** + * @brief Device ID Register: Reading from this register will indicate device + * family ID 8994h + */ +#define WM8994_CHIPID_ADDR 0x00 + +/** + * @} + */ + +/** @defgroup WM8994_Exported_Macros + * @{ + */ +/** + * @} + */ + +/** @defgroup WM8994_Exported_Functions + * @{ + */ + +/*------------------------------------------------------------------------------ + Audio Codec functions +------------------------------------------------------------------------------*/ +/* High Layer codec functions */ +uint32_t wm8994_Init(uint16_t DeviceAddr, uint16_t OutputInputDevice, uint8_t Volume, uint32_t AudioFreq); +void wm8994_DeInit(void); +uint32_t wm8994_ReadID(uint16_t DeviceAddr); +uint32_t wm8994_Play(uint16_t DeviceAddr, uint16_t* pBuffer, uint16_t Size); +uint32_t wm8994_Pause(uint16_t DeviceAddr); +uint32_t wm8994_Resume(uint16_t DeviceAddr); +uint32_t wm8994_Stop(uint16_t DeviceAddr, uint32_t Cmd); +uint32_t wm8994_SetVolume(uint16_t DeviceAddr, uint8_t Volume); +uint32_t wm8994_SetMute(uint16_t DeviceAddr, uint32_t Cmd); +uint32_t wm8994_SetOutputMode(uint16_t DeviceAddr, uint8_t Output); +uint32_t wm8994_SetFrequency(uint16_t DeviceAddr, uint32_t AudioFreq); +uint32_t wm8994_Reset(uint16_t DeviceAddr); + +/* AUDIO IO functions */ +void AUDIO_IO_Init(void); +void AUDIO_IO_DeInit(void); +void AUDIO_IO_Write(uint8_t Addr, uint16_t Reg, uint16_t Value); +uint8_t AUDIO_IO_Read(uint8_t Addr, uint16_t Reg); +void AUDIO_IO_Delay(uint32_t Delay); + +/* Audio driver structure */ +extern AUDIO_DrvTypeDef wm8994_drv; + +#endif /* __WM8994_H */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/